Also called: KP-102, Pralmorelin, Pralmorelin Hydrochloride
GHRP-2 is a small chain of amino acids, which are the building blocks of proteins in the body. It falls into a group of chemicals often called growth hormone secretagogues. This means it tells the body to make more of a specific hormone that helps children grow and affects muscle in adults. Scientists created this peptide in a lab to study how it works. It is mostly used by researchers looking at metabolism and growth, but some people use it to try to build muscle or look younger. The main job of GHRP-2 is to signal a gland in the brain to release growth hormone.
In simple terms, it acts like a key that unlocks a door to let this hormone out. Studies show this can lead to increased hunger and the building of new muscle cells. It also helps the body burn fat for energy. Researchers are interested in it because it might help heal wounds and strengthen bones. It is often used in experiments to see how the body handles extra growth hormone. While it shows promise in the lab, GHRP-2 is not approved for general use by humans.
Most of the proof we have comes from animals or small test tube studies. We do not know if it is safe for people to take it for a long time. It can cause side effects like feeling very hungry or holding onto water. Because it is not regulated, the quality of products bought online can be very risky. Scientists are still trying to understand all the ways it affects the human body.
Benefits
The main themes across 23 research studies, in plain language.
Studies indicate potential benefits for increasing muscle mass, strength, and exercise recovery through anabolic pathways.
Research points to potential improvements in bone density and skeletal growth, particularly in deficient states.
Research suggests GHRP-2 acts as a potent stimulator of growth hormone secretion, often used in diagnostic settings.
Evidence indicates that combining this peptide with GHRH analogs creates a synergistic effect, amplifying growth hormone release.
Studies suggest a favorable secondary hormone profile compared to similar peptides, with moderate effects on cortisol.
Research suggests the peptide may accelerate wound healing and improve skin quality through collagen synthesis.
Studies demonstrate anti-inflammatory actions that may protect organs like the liver and the immune system during stress.
Findings suggest the compound supports cellular defense mechanisms by suppressing oxidative stress and inhibiting cell death.
Research points to appetite-stimulating effects that may increase caloric intake and support weight gain in specific conditions.
Findings imply a role in promoting fat loss and improving overall body composition by reducing fat mass.
Animal studies indicate potential cardioprotective properties, including the reduction of heart fibrosis and oxidative stress.
Preliminary research suggests neuroprotective effects that may improve memory and reduce markers of brain inflammation.
Evidence suggests the compound may enhance sleep depth and quality, particularly slow-wave sleep stages.
Research suggests the peptide may help increase overall energy levels and combat fatigue.
Anecdotal and preliminary evidence suggest it may accelerate recovery from injuries and improve joint comfort.
You just read the research on GHRP-2. The cheat-sheet maps the most-used peptide stacks — doses, timing, and what to check before buying — on one page.
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1 reported routine — each line links to the source it came from.
From published sources
Routines as reported in peer-reviewed papers, clinical guidance, or vetted media — each linked to the source it came from.
SubQ
mg vs mcg: one milligram (mg) equals 1,000 micrograms (mcg) — multiply by 1,000 going from mg to mcg, divide by 1,000 going from mcg to mg. Mixing the two up is a thousand-fold dosing error: 1 mg taken instead of 1 mcg is a 1,000× overdose; 1 mcg instead of 1 mg is a 1,000× underdose. Always double-check the unit label and the decimal place.
Safety
Adverse effects reported in the research and by community use.
Reported in research and community sources — not exhaustive. Discontinue use and consult a healthcare professional if side effects occur.
Compare research-grade suppliers with third-party COAs and published purity data. For in-vitro and laboratory research use only — not for human consumption, diagnosis, or treatment.
GHRP-2 (pralmorelin) is a synthetic hexapeptide agonist of the ghrelin receptor (GHSR-1a) on pituitary somatotropes, stimulating potent endogenous GH release (peak GH 30-100 ng/mL). It also increases appetite, mimicking ghrelin. Used as a diagnostic for GH deficiency; not approved therapeutically in the US.
Evidence
Every claim above traces back to a source you can check — here are 6 of them.
Growth hormone releasing peptide-2 (GHRP-2), like ghrelin, increases food intake in healthy men
Pralmorelin: GHRP 2, GPA 748, growth hormone-releasing peptide 2, KP-102 D, KP-102 LN, KP-102D, KP-102LN.
Pralmorelin: GHRP 2, GPA 748, growth hormone-releasing peptide 2, KP-102 D, KP-102 LN, KP-102D, KP-102LN.
General pharmacology of KP-102 (GHRP-2), a potent growth hormone-releasing peptide.
PubChem - Compound - Pralmorelin
ACTH releasing activity of KP-102 (GHRP-2) in rats is mediated mainly by release of CRF
Timeline
Key moments in GHRP-2’s research and regulatory timeline — sourced and dated.
Wondering how GHRP-2 pricing compares across suppliers? Our original market data shows the full picture.
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